<template>
  <div class="report-container">
    <!-- 面包屑导航 -->
    <el-breadcrumb >
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card class="box-card">
      <div style="margin-top: 15px;">
        <!-- 2. 为ECharts准备一个具备大小（宽高）的Dom -->
        <div id="main" style="width: 750px;height:400px;"></div>
      </div>
    </el-card>
  </div>
</template>
<script>
import echarts from 'echarts'
import {
  reportsGet_api
}from '../../api/index.js'
export default {
  data(){
    return{
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      },
    }
  },
  async mounted(){
    var myChart = echarts.init(document.getElementById('main'))
    const {data:res} = await reportsGet_api()
    var result = _.merge(res.data, this.options)
    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(result);
  }
}
</script>
<style lang="less">
.report-container{
  .el-breadcrumb{
    margin-bottom: 10px;
  }
}
</style>